• A waterproof shell, so no extra cover is needed.• Wipe the inside of the cover out and use it over and over again!• Form fitting elastic to prevent leaks.• Patent pending comfy butterfly closure. A feature that is unique to cloth nappies made by Cotton Babies.• No stuffing involved just tuck insert under flaps and go!• Choose between a one-size Stay-Dry Insert or a one-size Certified Organic Cotton Insert.• Disposable inserts are also available for use while traveling.• Patent pending 3x3 adjustable snap system to fit most babies from birth to potty training.• No stuffing involved just tuck insert under flaps and go!